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參數(shù)資料
| 型號： | AD831 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Distortion Mixer |
| 中文描述： | 低失真混頻器 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 225K |
| 代理商： | AD831 |
AD831
REV. B
–3–
PIN CONFIGURAT ION
20-Lead PLCC
PIN DE SCRIPT ION
Pin
Mnemonic
Description
1
2
3
4
5
6
7
8
9
VP
IFN
AN
GND
VN
RFP
RFN
VN
VP
LON
LOP
VP
GND
BIAS
VN
OUT
VFB
COM
AP
IFP
Positive Supply Input
Mixer Current Output
Amplifier Negative Input
Ground
Negative Supply Input
RF Input
RF Input
Negative Supply Input
Positive Supply Input
Local Oscillator Input
Local Oscillator Input
Positive Supply Input
Ground
Bias Input
Negative Supply Input
Amplifier Output
Amplifier Feedback Input
Amplifier Output Common
Amplifier Positive Input
Mixer Current Output
10
11
12
13
14
15
16
17
18
19
20
WARNING!
ESD SENSITIVE DEVICE
C AUT ION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD831 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. T herefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
ABSOLUT E MAX IMUM RAT INGS
1
Supply Voltage
±
V
S
Input Voltages
RFHI, RFLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
3 V
LOHI, LOLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
1 V
Internal Power Dissipation
2
. . . . . . . . . . . . . . . . . . 1200 mW
Operating T emperature Range
AD831A . . . . . . . . . . . . . . . . . . . . . . . . . . . –40
°
C to +85
°
C
Storage T emperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead T emperature Range (Soldering 60 sec) . . . . . . . . +300
°
C
NOT ES
1
Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. T his is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2
T hermal Characteristics:
20-Pin PLCC Package:
θ
= 110
°
C/Watt;
θ
= 20
°
C/Watt.
Note that the
θ
= 110
°
C/W value is for the package measured while suspended
in still air; mounted on a PC board, the typical value is
θ
= 90
°
C/W due to the
conduction provided by the AD83
1
’s package being in contact with the board,
which serves as a heat sink.
. . . . . . . . . . . . . . . . . . . . . . . . . .
±
5.5 V
ORDE RING GUIDE
T emperature
Range
Package
Description
Package
Option
Model
AD831AP
–40
°
C to +85
°
C
20-Lead PLCC
P-20A
GND
VN
VN
RFP
RFN
A
I
A
V
I
V
L
G
L
V
COM
VFB
BIAS
OUT
VN
19
3
1
2
20
4
5
8
6
7
12
13
9
11
10
18
17
14
16
15
TOP VIEW
(Not to Scale)
AD831
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